The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Do different types of oil mix or stack? Find out in this science fair project idea!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates if fats add to the flavor of food.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project examines how seeds hitchhike on animals and clothing.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project teaches students the differences between fruits and vegetables.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Plants and light seem to be good buddies, but how far does the friendship really go?

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.